388650620

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{101741}}^1$

素因数の和:101941

約数の個数: 24

約数和(自身を含む): 820447488

約数和(自身を除く): 431796868

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 101741, 203482, 406964, 508705, 1017410, 2034820, 19432531, 38865062, 77730124, 97162655, 194325310, 388650620]

約数ペア:

[(1, 388650620), (2, 194325310), (4, 97162655), (5, 77730124), (10, 38865062), (20, 19432531), (191, 2034820), (382, 1017410), (764, 508705), (955, 406964), (1910, 203482), (3820, 101741)]